package com.gary.demo.interceptor;

import com.gary.demo.filter.CustomFilter1;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;


public class CustomInterceptor implements HandlerInterceptor {
    private final Logger logger = LoggerFactory.getLogger(CustomFilter1.class);
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
        throws Exception {
        logger.info("preHandle 请求调用前，返回false请求中断");
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
                           ModelAndView modelAndView) throws Exception {
        logger.info("postHandle 请求调用后");
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
        throws Exception {
    logger.info("afterCompletion:请求调用完成后回调方法，即在视图渲染完成后回调");
    }
}
